1. Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hong Kong
2. Public Policy Research Institute, The Hong Kong Polytechnic University, Hong Kong
3. Department of Sociology, East China Normal University, Shanghai 200062, China
4. Kiang Wu Nursing College of Macau, Macau
5. Division of Adolescent Medicine, Department of Pediatrics, Kentucky Children’s Hospital, University of Kentucky College of Medicine, Lexington, KY 40506, USA
6. Department of Education Studies, Hong Kong Baptist University, Hong Kong
7. National Institute of Child Health and Human Development, Jerusalem 91012, Israel